How to undo a Git commit? git reset HEAD^: Undo the last commit and restore to the state before commit. git revert HEAD: Create a new commit with the opposite content than the previous commit. git reset
: Undoes the specified commit using the commit's SHA-1 hash. Interactive Stage Area: Mark specific changes for retraction and then commit, excluding retracted changes.
How to retract a Git commit
When using the Git version control system, sometimes we commit code by mistake. Here's how to retract those commits:
1. Using the git reset
git reset
command allows you to move the staged or the committed changes are withdrawn. To retract your last commit, use the following command:
<code>git reset HEAD^</code>
This will retract your last commit and restore the working directory to the state it was in before the commit.
2. Use the git revert
git revert
command to create a new commit to undo the previous commit. To retract the most recent commit, use the following command:
<code>git revert HEAD</code>
This will create a new commit with the opposite contents of the previous commit.
3. Use the git reflog
git reflog
command to display the history of all commits. You can use this to find the SHA-1 hash of the commit you want to retract. Once the hash is found, the commit can be retracted using the following command:
<code>git reset <sha-1></sha-1></code>
This will retract the specified commit and restore the working directory to the state it was in before the commit.
4. Using the interactive stage area
The interactive stage area allows you to select specific changes to undo. To use the interactive stage area, follow these steps:
- Run
git reset -i HEAD
- Mark the commit you want to retract as "pick"
- Run
git commit --amend
This will create a new commit containing all the changes you selected, but excluding the ones you retracted Change.
Note:
- Only your local submission can be withdrawn. If you have pushed a commit to a remote repository, you will need to use another method to retract it.
- After retracting a commit, you may need to force push the changes to update the remote repository.
The above is the detailed content of How to undo git commit error. For more information, please follow other related articles on the PHP Chinese website!

After installing Git, in order to use more efficiently, the following settings are required: Set user information (name and mailbox) Select text editor Set external merge tool Generate SSH key settings Ignore file mode

Resolve: When Git download speed is slow, you can take the following steps: Check the network connection and try to switch the connection method. Optimize Git configuration: Increase the POST buffer size (git config --global http.postBuffer 524288000), and reduce the low-speed limit (git config --global http.lowSpeedLimit 1000). Use a Git proxy (such as git-proxy or git-lfs-proxy). Try using a different Git client (such as Sourcetree or Github Desktop). Check for fire protection

Causes of slow Git downloads include poor network connections, Git server problems, large files or large submissions, Git configuration issues, insufficient computer resources, and other factors such as malware. Workarounds include improving network connectivity, adjusting firewall settings, avoiding downloading unnecessary files or submissions, optimizing Git configuration, providing adequate computer resources, and scanning and removing malware.

How to update local Git code? Use git fetch to pull the latest changes from the remote repository. Merge remote changes to the local branch using git merge origin/<remote branch name>. Resolve conflicts arising from mergers. Use git commit -m "Merge branch <Remote branch name>" to submit merge changes and apply updates.

Steps to update git code: Check out code: git clone https://github.com/username/repo.git Get the latest changes: git fetch merge changes: git merge origin/master push changes (optional): git push origin master

You can delete a Git branch through the following steps: 1. Delete the local branch: Use the git branch -d <branch-name> command; 2. Delete the remote branch: Use the git push <remote-name> --delete <branch-name> command; 3. Protected branch: Use git config branch. <branch-name>.protected true to add the protection branch settings.

Git code merge process: Pull the latest changes to avoid conflicts. Switch to the branch you want to merge. Initiate a merge, specifying the branch to merge. Resolve merge conflicts (if any). Staging and commit merge, providing commit message.

To download projects locally via Git, follow these steps: Install Git. Navigate to the project directory. cloning the remote repository using the following command: git clone https://github.com/username/repository-name.git


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